Northwestern Polytechnical University (NPU): A prominent public research university based in Xi’an, China, NPU specialises in aeronautics, astronautics, and marine engineering. Established in 1938, it is a designated National Key University and a member of China’s Project 211, Project 985, and Double First-Class Construction initiatives. NPU’s core mission is to excel in student training, multidisciplinary research, and public service, contributing significantly to China’s defence industry and national economy. Recognised globally for its strong engineering research, NPU has pioneered advancements in various fields, including the first SUAV and AUV in China.